Battalion — Whenever Boros Mastiff and at least two other creatures attack, Boros Mastiff gains lifelink until end of turn. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

You may tap or untap target permanent, then you may tap or untap another target permanent.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

When Lavinia of the Tenth enters the battlefield, detain each nonland permanent your opponents control with converted mana cost 4 or less. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)

, Exile Legion's Initiative: Exile all creatures you control. At the beginning of the next combat, return those cards to the battlefield under their owner's control and those creatures gain haste until end of turn.

, , Return Maze's End to its owner's hand: Search your library for a Gate card, put it onto the battlefield, then shuffle your library. If you control ten or more Gates with different names, you win the game.

Whenever Mirko Vosk, Mind Drinker deals combat damage to a player, that player reveals cards from the top of his or her library until he or she reveals four land cards, then puts those cards into his or her graveyard.

Whenever a player casts a spell from his or her hand, that player exiles it, then exiles cards from the top of his or her library until he or she exiles a card that shares a card type with it. That player may cast that card without paying its mana cost. Then he or she puts all cards exiled with Possibility Storm on the bottom of his or her library in a random order.